Tag Archives: diseases

Peony Problem

Question: At the end of every summer a “white film” forms on my ‘Festiva Maxima’ peony and eventually encompasses the plant. The branches are cut off at the ground in early November and put in the trash. What is this …

Damping-Off Fungi

Damping-off is the infection of young seedlings by a variety of different fungi, most often species of Rhizoctonia, Pythium, and Fusarium.

Apple Scab

Apple scab (Venturia inaequalis) is a problem wherever apples are grown; it’s more serious, however, in temperate areas that experience cool, wet weather in spring and early summer.

Blossom End Rot

This common affliction of tomatoes is the result of a physiological disorder rather than a disease. First described over a century ago, blossom end rot is linked to low levels of calcium in the young fruits as well as to …